Application
1. Welding and cutting: use the characteristics of oxygen to support combustion for oxygen welding and cutting.
2. Glass blowing: use oxy-fuel combustion in the production of glassware to improve combustion efficiency and reduce energy consumption.
3. Aquaculture: the oxygen generator is used as the gas source to oxygenate the water to inhibit the growth of harmful anaerobic microorganisms, thereby improving the disease resistance of fish etc. aquatic animal and reducing the cost of aquaculture.
4. Sewage treatment: fill the sewage with pure oxygen, increase the respiration of aerobic microorganisms, thereby purifying the sewage.
5. Oxygen source for ozone generator: ozone is a powerful disinfectant and bleach with the advantage that it does not leave chemical

We are Longfian
Longfian Scitech Co., Ltd, a leading manufacturer specialized in oxygen solutions for 25 years, has been professionally dedicated to R&D, production and marketing of various oxygen concentrators which include medical oxygen therapy, indoor oxygen supply, plateau simulation, industrial, veterinary and other fields. Longfian is headquartered in Baoding, China. We have 520 employees, covering an area of 40,000 square meters, with annual production capacity of 1.5 million units.

2 Million Praises from Worldwide
All of our products comply with ISO13485 quality managing system and some models obtained CE certificates. in the meantime, our technology and R&D team carried out technological innovations, awarded 28 invention and design patents, and completed registration of 36 countries for import permits. till now, Longfian, has got the market share over 70% and exported to more than 160 countries around the world, benefiting 2 million end-users.

WHO & the United Nations Awards and Recognition
Longfian is the designated qualified supplier of United Nations organizations. Presently, we have undertaken many rescue material projects of oxygen concentrator from all over the world. Last year, we supplied nearly 1,200,000 units oxygen concentrators to different countries and they have expressed their recognition and gratitude to Longfian.

Sample delivery: By express (DHL/Express/Fedex/EMS/TNT ect.)
Order delivery: By air or by sea (From Tianjin/Beijing/ Shenzhen/Guangzhou port)

Q: Are you a factory or trading company?
A:We are a Professional Manufacturer for oxygen concentrator from1-60lpm and oxygen related products.
Welcome to our company, seeing is believing, our company, show room and factory in same place.

Q. Where is your factory located? How can I visit there?
A: our factory is located at Power valley pioneer park,
NO.369 Huiyang street , 071051,Baoding, Hebei,China, near to Beijing. Welcome to our company.

Q. What is your trading term?
A: 1. Payment term: T/T, or L/C , or Western Union for small amount .
2. Lead time: normally in 7-10 days after deposit received.
3. Sample policy: Samples are always available for each model. Samples can be ready in 3-5

days once payment received.

4. Shipping port: Tianjin/XinGang, China
5. Discounts: We offer discount for big quantity.
 

Q: How to purchase your product?
A:Quotation → PI → Confirm PI → Arrange payment →Producing →QC inspect → Shipping

Q: Can you provide the OEM service?

A: Yes, the OEM service can be avaliable,
including the customized color, logo printing, user manual, label and package design etc.